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J Gen Microbiol. 1985 Feb;131(2):279-84.

The sterols of growth and stationary phases of Aspergillus nidulans cultures.

Abstract

The accumulation of 4-desmethyl and 4,4-dimethyl sterols, as well as the triterpenoid beta-amyrin, was analysed during both exponential and stationary phases of Aspergillus nidulans growth. Throughout growth, the amount of 4-desmethyl sterol was proportional to the cellular dry weight, while the dimethyl sterols and beta-amyrin stopped accumulating after day 2. The sterols were found primarily as the free alcohol and not as fatty acid esters, the glycosides, or acyl glycosides. The amount of beta-amyrin in stationary phase cultures was affected by the concentrations of Mg2+ and Cu2+.

PMID:
3884732
DOI:
10.1099/00221287-131-2-279
[Indexed for MEDLINE]

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